December weather forecast
Bernice, PA

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Weather in December

December, the first month of the winter in Bernice, is also an icy month, with an average temperature ranging between min 25.7°F (-3.5°C) and max 35.2°F (1.8°C).

Temperature

A moderate decline in the average high-temperature is seen during December, decreasing from a chilly 45.1°F (7.3°C) in November to a wintry 35.2°F (1.8°C). Bernice reports an average low-temperature of 25.7°F (-3.5°C) during the nights of December.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Bernice, during December, the rain falls for 12 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Bernice, during the entire year, the rain falls for 169.1 days and collects up to 28.74" (730mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Bernice, during December, snow falls for 13 days and regularly aggregates up to 4.53" (115mm) of snow. In Bernice, during the entire year, snow falls for 68.3 days and aggregates up to 26.65" (677mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:13 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:45 pm EST.

Sunshine

In December, the average sunshine is 3.3h.

UV index

The months with the lowest UV index in Bernice are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

How cold is December?

An average high-temperature, in December, in Bernice, is 35.2°F (1.8°C) and the average low-temperature is 25.7°F (-3.5°C).

What is the average humidity in December in Bernice?

In December, the average relative humidity is 84%.

How many days does it rain in December?

In December, the rain falls for 12 days. Throughout December, 2.13" (54mm) of precipitation is accumulated.

How much does it snow in December?

In Bernice, during December, snow falls for 13 days and regularly aggregates up to 4.53" (115mm) of snow.

What is the month with the shortest days?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 9h and 14min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:13 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:45 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 3.3h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Bernice?

In Bernice, Pennsylvania, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bernice, PA

Average temperature in December - Bernice, PA
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in December
Bernice, PA

Average pressure in December - Bernice, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Bernice, PA

Average wind speed in December - Bernice, PA
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Bernice, PA

Average humidity in December - Bernice, PA
  • Average humidity in December: 84%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in December
Bernice, PA

Average rainfall in December - Bernice, PA
  • Average rainfall in December: 2.13"

The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is November (1.85").

Average rainfall days in December
Bernice, PA

Average rainfall days in December - Bernice, PA
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in December
Bernice, PA

Average snowfall in December - Bernice, PA
  • Average snowfall in December: 4.53"

The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Bernice, PA

Average snowfall days in December - Bernice, PA
  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Bernice, PA

Average daylight in December / Average sunshine in December - Bernice, PA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).

Average sunshine days in December
Bernice, PA

Average sunshine days in December - Bernice, PA
  • Average sunshine days in December: 9.4 days

The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in December
Bernice, PA

Average UV index in December - Bernice, PA
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Bernice, PA

Average cloud cover in December - Bernice, PA
  • Average cloud cover in December: 67

The months with the most cloud cover are January, February and December (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 39).

Average visibility in December
Bernice, PA

Average visibility in December - Bernice, PA
  • Average visibility in December: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).

Bernice, Pennsylvania, USA

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